Rectangular and square HSS

HSS 64x25x4.8

Standard: CSA G40.20/G40.21Source: Calculated (exact engine)
Calculated: design thickness = nominal thickness (CSA G40.20, Class C), outside radius 2t. Range derived from ASTM A500 sizes — cross-check with the CISC tables.
xyb = 25.4d = 63.5t = 4.76t = 4.76
Cross-section, to scaledimensions in mm

Dimensions

Depthd
63.5mm
Widthb
25.4mm
Thicknesst
4.76mm
Outside corner radiusro
9.52mm

Mass and area

Mass per lengthm
5.474kg/m
Cross-sectional areaA
697.3mm²
Outside perimeterP
161.5mm

Strong axis x–x

Moment of inertiaIx
0.278410⁶ mm⁴
Elastic section modulusSx
8.76810³ mm³
Plastic section modulusZx
12.2410³ mm³
Radius of gyrationrx
19.98mm

Weak axis y–y

Moment of inertiaIy
0.0606910⁶ mm⁴
Elastic section modulusSy
4.77910³ mm³
Plastic section modulusZy
6.1510³ mm³
Radius of gyrationry
9.329mm

Torsion and stability

Torsional constantJ
182.810³ mm⁴

Equivalents in other standards